DOC: updated CHANGES.md
DOC: updated CHANGES.md

Former-commit-id: 8ce31d337a4bbd2fc8fc5ba9a1bf8ff47d385177 [formerly 75721ca8baae88a93b52d663f04c0c567797975f]
Former-commit-id: 6eb5afdd741168ec999e6ff28d746bce6f9b19b5
Former-commit-id: f9f23d7877d00a495c26880c6de8c1697e5f4d8e
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox